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Inducing swirl flow inside the pipes of flat-plate solar collector by using multiple nozzles for enhancing thermal performance

dc.contributor.authorCao, Yan
dc.contributor.authorAyed, Hamdi
dc.contributor.authorHashemian, Mehran
dc.contributor.authorIssakhov, Alibek
dc.contributor.authorJarad, Fahd
dc.contributor.authorWae-hayee, Makatar
dc.contributor.authorID234808tr_TR
dc.date.accessioned2022-05-26T11:41:57Z
dc.date.available2022-05-26T11:41:57Z
dc.date.issued2021
dc.departmentÇankaya Üniversitesi, Fen - Edebiyat Fakültesi, Matematik Bölümüen_US
dc.description.abstractIn this numerical study, an attempt has been made to improve the thermal performance of the flat-plate solar collector (FPSC) by inducing the swirl flow inside the tube by the considered nozzles. To this end, the effect of the number of circumferential nozzles and their inclination angles was taken into the account. The considered number of nozzles was "single", ''dual'', ''triple'', and ''quad''. For each of the said cases, the inclination angle of nozzles was taken 30°, 45°, 60°, and 90° (A30, A45, A60, A90). Moreover, the mass flow rate of single-nozzle pipe was considered 0.2 kg/s, 1 kg/s, and 2 kg/s. To analyze all of the cases under identical conditions, the said mass flow rates were distributed equally among all of the nozzles (for ''dual'', ''triple'', and ''quad''). All of the characteristics were defined in a form of "A…-D…-N…-M…'' where ''A…'', "D…", "N…", and “M…” stand for angle of injection, diameter of pipe, nozzle cross-section edge, and mass flow rate, respectively. Numerical simulation (3-dimensional) of the system was performed by Finite Volume Method (FVM). The turbulence nature of flow was simulated by the k-omega SST (shear stress transport) turbulent model. Results showed that the "single-nozzle'' swirl generator had the highest thermal performance factor (TPF) so that for all cases its values were greater than unit. Mass flow rate growth increases Nu, heat extraction rate, and kinetic energy rate (KER) while drops friction factor and outlet temperature. Increment of injection angle increases outlet temperature and friction factor and reduces KER. The maximum and minimum values of TPF are 4.19 and 0.44 which belong to “single; A30-D50-N12.5-M0.2” and "quad; A90-D50-N12.5-M0.5", respectively. © 2021 Elsevier Ltden_US
dc.description.publishedMonth12
dc.identifier.citationCao, Yan...et al. (2021). "Inducing swirl flow inside the pipes of flat-plate solar collector by using multiple nozzles for enhancing thermal performance", Renewable Energy, Vol. 180, pp. 1344-1357.en_US
dc.identifier.doi10.1016/j.renene.2021.09.018
dc.identifier.endpage1357en_US
dc.identifier.issn0960-1481
dc.identifier.startpage1344en_US
dc.identifier.urihttp://hdl.handle.net/20.500.12416/5579
dc.identifier.volume180en_US
dc.language.isoenen_US
dc.relation.ispartofRenewable Energyen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectFinite Volume Method (FVM)en_US
dc.subjectFlat Plate Solar Collectoren_US
dc.subjectNozzleen_US
dc.subjectThermal Performanceen_US
dc.titleInducing swirl flow inside the pipes of flat-plate solar collector by using multiple nozzles for enhancing thermal performancetr_TR
dc.titleInducing Swirl Flow Inside the Pipes of Flat-Plate Solar Collector by Using Multiple Nozzles for Enhancing Thermal Performanceen_US
dc.typeArticleen_US
dspace.entity.typePublication

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